Solar cell



FIG. 1 is a top perspective view of a solar cell showing my new design;

FIG. 2 is a partial enlarged view thereof, taken from the indicated areain FIG. 1;

FIG. 3 is a top plan view of the solar cell FIG. 1;

FIG. 4 is a bottom plan view thereof of the solar cell of FIG. 1;

FIG. 5 is a front side elevation view thereof;

FIG. 6. is a left side elevation view thereof;

FIG. 7 is a right side elevation view thereof;

FIG. 8 is a back side elevation view thereof; and,

FIG. 9 is a partial enlarged view thereof, taken from the indicatedareas in FIGS. 5, 6, 7 and 8.

The broken lines indicate the bounds of the claimed design and form nopart thereof.

CLAIM The ornamental design for a solar cell, as shown and described.